Env setupu¶

In [1]:
import scanpy as sc, anndata as ad, numpy as np, pandas as pd
from scipy import sparse
import matplotlib.pyplot as plt
import plotly.express as px
from anndata import AnnData
from sklearn.neighbors import KernelDensity
import random
from matplotlib import pylab
import warnings
import scanpy.external as sce 
import pyranges as pr
import yaml
from matplotlib.colors import TwoSlopeNorm
from pyliftover import LiftOver


import seaborn as sns
import os
import sys

warnings.filterwarnings('ignore')
In [2]:
import anndata2ri
import rpy2.rinterface_lib.callbacks
import logging
In [3]:
rpy2.rinterface_lib.callbacks.logger.setLevel(logging.ERROR)
In [4]:
anndata2ri.activate()
In [5]:
%load_ext rpy2.ipython
In [6]:
sc.settings.verbosity = 3  
sc.logging.print_header()
nprocs=4
np.random.seed(0)
with open("../data/resources/rcParams.yaml") as f:
    rcParamsDict = yaml.full_load(f)
    for k in rcParamsDict["rcParams"]:
        print("{} {}".format(k,rcParamsDict["rcParams"][k]))
        plt.rcParams[k] = rcParamsDict["rcParams"][k]
    for k1 in set(list(rcParamsDict)).difference(set(["rcParams"])):
        print("{} {}".format(k1,rcParamsDict[k1]))

scanpy==1.8.0 anndata==0.8.0 umap==0.4.6 numpy==1.22.2 scipy==1.6.2 pandas==1.2.3 scikit-learn==0.24.1 statsmodels==0.13.5 python-igraph==0.9.1 louvain==0.7.0 leidenalg==0.8.3
figure.dpi 80
savefig.dpi 500
figure.figsize [10, 10]
axes.facecolor white
dotSize 20

Configure paths¶

In [7]:
outdir = "../data/output"

with open("../data/resources/iPSC_lines_map.yaml", 'r') as f:
    iPSC_lines_map = yaml.load(f, Loader=yaml.FullLoader)["lines"]
colorsmap = dict(zip([i["newName"] for i in iPSC_lines_map.values()],[i["color"] for i in iPSC_lines_map.values()]))


figDir = "./figures"
if not os.path.exists(figDir):
   # Create a new directory because it does not exist
   os.makedirs(figDir)


    
#tradeSeqUtilsPath = "/opt/tradeSeq_utils.R"
tradeSeqUtilsPath = "/opt/tradeSeq_utils.R"

vcfPath = "../data/jointGenotype.g.vcf"

gtfPath = "../data/resources/genes.gtf"

# sc eQTLs from jerber et al https://doi.org/10.1038/s41588-021-00801-6
scEqtlsJerber = pd.read_csv("../data/resources/Jerber_scASE.tsv", sep="\t")

var setting¶

In [8]:
branchTag = "Migrating"
endpoint = "endpoint_MigratingNeurons"
markers = ["RELN","PAX6","CBLN1","MKI67","FOXP1"]
min_cells = 50
MultiTPTstages = ["early","mid"]
binWidthRate = .05
ResamplingIterations = 50
leidenOrder = ["ProliferatingProgenitors", 'RadialGliaProgenitors', 'Neurons','MigratingNeurons']
In [9]:
BranchBCs = sc.read_h5ad(outdir+"/adatas/adataPaga.h5ad")

sc.pl.draw_graph(BranchBCs[BranchBCs.obs[endpoint] == 1], color = ["cellID_newName","leidenAnnotated","dataset"],size =  rcParamsDict["dotSize"],add_outline=True, outline_width=(0.2, 0.05), vmin='p2',vmax='p98', wspace=.4, ncols=2)

BranchBCs = BranchBCs.obs_names[BranchBCs.obs[endpoint] == 1].tolist()

harmonyTheta = 1

HVGs = pd.read_csv(outdir+"/HVG_list_intersection_Curated_"+branchTag+"_PagaTest.txt", sep = "\t")["HVG"]

Branch specifi pre-processing¶

In [10]:
adataBranch = sc.read_h5ad(outdir+'/adatas/MultiplexingPreprocessing_unscaled.h5ad')[BranchBCs]
adataBranch.obs["leidenAnnotated"] =  sc.read_h5ad(outdir+"/adatas/ClusterAnnotated_Base_filt.h5ad")[adataBranch.obs_names].obs["leidenAnnotated"]
adataBranch.uns["leidenAnnotated_colors"] =  sc.read_h5ad(outdir+"/adatas/adataPaga.h5ad")[adataBranch.obs_names].uns["leidenAnnotated_colors"]
goodcls = adataBranch.obs.groupby(["leidenAnnotated"]).size()[adataBranch.obs.groupby(["leidenAnnotated"]).size() >= 50].index.tolist()
adataBranch = adataBranch[adataBranch.obs["leidenAnnotated"].isin(goodcls)]


adataBranch.layers["unscaled"] = adataBranch.X.copy()


sc.pp.normalize_total(adataBranch, target_sum=1e4)

sc.pp.log1p(adataBranch)
adataBranch.raw = adataBranch



adataBranch = adataBranch[:,HVGs]
adataBranch.var["highly_variable"] = True
#sc.pp.highly_variable_genes(adataBranch, min_mean=0.0125, max_mean=5, min_disp=0.5, batch_key = "dataset")

sc.pp.regress_out(adataBranch, ['total_counts','pct_counts_mt'], n_jobs=4)
sc.pp.scale(adataBranch, zero_center=False)
#adataBranch.X = adataBranch.X + np.abs(adataBranch.X.min())

normalizing counts per cell
    finished (0:00:00)
regressing out ['total_counts', 'pct_counts_mt']
    sparse input is densified and may lead to high memory use
    finished (0:00:05)
In [11]:
sc.tl.pca(adataBranch, svd_solver='arpack', use_highly_variable=True)
sce.pp.harmony_integrate(adataBranch, 'dataset', max_iter_harmony=20,adjusted_basis="X_pca",random_state = 0, theta = harmonyTheta, lamb = 2)
sc.pp.neighbors(adataBranch,use_rep="X_pca",n_neighbors=50, n_pcs=10, random_state=0)

sc.tl.umap(adataBranch, random_state=0)

computing PCA
    on highly variable genes
    with n_comps=50
    finished (0:00:01)

2023-07-24 15:58:30,274 - harmonypy - INFO - Iteration 1 of 20
2023-07-24 15:58:32,630 - harmonypy - INFO - Iteration 2 of 20
2023-07-24 15:58:34,980 - harmonypy - INFO - Iteration 3 of 20
2023-07-24 15:58:37,697 - harmonypy - INFO - Iteration 4 of 20
2023-07-24 15:58:41,701 - harmonypy - INFO - Iteration 5 of 20
2023-07-24 15:58:45,921 - harmonypy - INFO - Iteration 6 of 20
2023-07-24 15:58:49,919 - harmonypy - INFO - Iteration 7 of 20
2023-07-24 15:58:52,141 - harmonypy - INFO - Iteration 8 of 20
2023-07-24 15:58:53,670 - harmonypy - INFO - Iteration 9 of 20
2023-07-24 15:58:55,356 - harmonypy - INFO - Iteration 10 of 20
2023-07-24 15:58:56,934 - harmonypy - INFO - Iteration 11 of 20
2023-07-24 15:58:58,204 - harmonypy - INFO - Converged after 11 iterations

computing neighbors
    finished: added to `.uns['neighbors']`
    `.obsp['distances']`, distances for each pair of neighbors
    `.obsp['connectivities']`, weighted adjacency matrix (0:00:04)
computing UMAP
    finished: added
    'X_umap', UMAP coordinates (adata.obsm) (0:00:12)
In [12]:
sc.pl.pca(adataBranch, color = ["dataset","stage",'leidenAnnotated'], size = rcParamsDict["dotSize"],add_outline=True, outline_width=(0.2, 0.05), vmin='p2',vmax='p98',wspace=.4)
In [13]:
#if you want vector sc.settings._vector_friendly = False
vector=False
n=20
pdDict = {}

if vector:
    sc.settings._vector_friendly = False
for pc in  [0,1]:
    TopPC_IDX = np.argpartition(adataBranch.varm["PCs"][:,pc], -n)[-n:]
    DownPC_IDX = np.argpartition(adataBranch.varm["PCs"][:,pc], n)[:n]
    pdDict[pc] = pd.DataFrame(adataBranch.varm["PCs"][:,pc][TopPC_IDX], index = adataBranch.var_names[TopPC_IDX], columns=["pc"+str(pc+1)])
    pdDict[pc] = pd.concat([pdDict[pc],pd.DataFrame(adataBranch.varm["PCs"][:,pc][DownPC_IDX], index = adataBranch.var_names[DownPC_IDX], columns=["pc"+str(pc+1)])])
    pdDict[pc]["gene"] = pdDict[pc].index.tolist()
    if pc == 0:
        pdDict[pc] = pdDict[pc].sort_values("pc"+str(pc+1))
    elif pc == 1:
        pdDict[pc] = pdDict[pc].sort_values("pc"+str(pc+1), ascending = False)
    
    
    

figsize = (6, 6)  #(width, height)
#Set axes
import matplotlib.pyplot as plt

fig, ax = plt.subplots(nrows=2, ncols=2, figsize=figsize,gridspec_kw={'width_ratios': [3, 1],'height_ratios': [3, 1]})

fig.tight_layout(pad=-2, h_pad=0)   #space between plots

ax1plot = sc.pl.pca(adataBranch, components=['1,2'], color=["leidenAnnotated"], 
                    ncols=1, add_outline=True, legend_loc="on data",size=100,legend_fontsize="small",
                    outline_width=(.1,.05), wspace=.2, show=False, ax=ax[0][0])



norm = TwoSlopeNorm(vmin=pdDict[0]["pc1"].min(), vcenter=0, vmax=pdDict[0]["pc1"].max())
colors = [plt.cm.RdYlGn(norm(c)) for c in pdDict[0]["pc1"]]
sns.barplot(data=pdDict[0], x="gene", y="pc1", color="pc1",palette=colors,ax=ax[1][0], zorder=3 ).tick_params(axis='x', rotation=90, labelsize=8)
ax[1][0].annotate("", xy=(.95,.99),xytext=(0.55, 0.99),
                  xycoords='axes fraction',
                  arrowprops=dict(arrowstyle="simple",facecolor="green"))
ax[1][0].annotate("", xy=(.05,.01),xytext=(0.45, 0.01),
                  xycoords='axes fraction',
                  arrowprops=dict(arrowstyle="simple",facecolor="red"))


norm = TwoSlopeNorm(vmin=pdDict[1]["pc2"].min(), vcenter=0, vmax=pdDict[1]["pc2"].max())
colors = [plt.cm.RdYlGn(norm(c)) for c in pdDict[1]["pc2"]]
sns.barplot(data=pdDict[1], x="pc2", y="gene", color="pc2",palette=colors,ax=ax[0][1], zorder=3 ).tick_params(axis='y',  
                                                                                                              labelsize=8, 
                                                                                                              labelright=True, labelleft=False,
                                                                                                              right=True, left=False)
ax[0][1].tick_params(axis='x', rotation=90)

ax[0][1].annotate("", xy=(.01,.95),xytext=(0.01, 0.55),
                  xycoords='axes fraction',
                  arrowprops=dict(arrowstyle="simple",facecolor="green"))
ax[0][1].annotate("", xy=(.99,.05),xytext=(0.99, 0.45),
                  xycoords='axes fraction',
                  arrowprops=dict(arrowstyle="simple",facecolor="red"))



ax[0][1].invert_xaxis()
ax[0][1].yaxis.set_label_position("right")
fig.delaxes(ax[1][1])

sc.settings._vector_friendly = True
In [14]:
pdDict = {}
for pc in  [0]:
    pdDict[pc] = pd.DataFrame(adataBranch.varm["PCs"][:,pc], index = adataBranch.var_names.tolist(), columns=["loading"])
    pdDict[pc]["gene"] = pdDict[pc].index.tolist()
    pdDict[pc] = pdDict[pc].sort_values("loading")
    pdDict[pc]["component"] = "pc"+str(pc+1)
    
TopLoadings = pdDict[pc]
TopLoadings
Out[14]:
loading gene component
HMGB2 -0.094620 HMGB2 pc1
NUSAP1 -0.088931 NUSAP1 pc1
CENPF -0.083994 CENPF pc1
TOP2A -0.083814 TOP2A pc1
PTTG1 -0.081935 PTTG1 pc1
... ... ... ...
CD24 0.080808 CD24 pc1
NSG1 0.084209 NSG1 pc1
GAP43 0.088641 GAP43 pc1
LHX1 0.089887 LHX1 pc1
STMN2 0.094153 STMN2 pc1

1804 rows × 3 columns

In [15]:
cellIDColorsMap = dict(zip(adataBranch.obs["cellID_newName"].cat.categories, adataBranch.uns["cellID_newName_colors"]))

DPT¶

In [16]:
with open("../data/resources/rcParams.yaml") as f:
    rcParamsDict = yaml.full_load(f)
    for k in rcParamsDict["rcParams"]:
        print("{} {}".format(k,rcParamsDict["rcParams"][k]))
        plt.rcParams[k] = rcParamsDict["rcParams"][k]
    for k1 in set(list(rcParamsDict)).difference(set(["rcParams"])):
        print("{} {}".format(k1,rcParamsDict[k1]))

figure.dpi 80
savefig.dpi 500
figure.figsize [10, 10]
axes.facecolor white
dotSize 20
In [17]:
sc.tl.diffmap(adataBranch)


RootName = adataBranch.obs_names[adataBranch[:, ["TOP2A"]].X.argmax()]
root_idx = np.where(adataBranch.obs_names == RootName)[0][0]
adataBranch.uns['iroot'] = root_idx


sc.tl.dpt(adataBranch)
sc.pl.diffmap(adataBranch, color = ["dpt_pseudotime","TOP2A"],size = rcParamsDict["dotSize"],add_outline=True, outline_width=(0.2, 0.05), vmin='p2',vmax='p98', legend_fontsize="xx-large", frameon=False, wspace=.3, legend_loc="on data")

computing Diffusion Maps using n_comps=15(=n_dcs)
computing transitions
    finished (0:00:00)
    eigenvalues of transition matrix
    [1.         0.996359   0.98936844 0.9803068  0.9623216  0.9606398
     0.95437235 0.9420854  0.93551624 0.9336045  0.92206067 0.9051533
     0.90233004 0.8995215  0.89694345]
    finished: added
    'X_diffmap', diffmap coordinates (adata.obsm)
    'diffmap_evals', eigenvalues of transition matrix (adata.uns) (0:00:01)
computing Diffusion Pseudotime using n_dcs=10
    finished: added
    'dpt_pseudotime', the pseudotime (adata.obs) (0:00:00)
In [18]:
adataBranch.write_h5ad(outdir+"/adatas/AdataLineage."+branchTag+".h5ad")
In [19]:
timeCov="dpt_pseudotime"

By timepoint¶

In [20]:
sns.set_style("white")
In [21]:
cov = "stage"
In [22]:
#errors by dataset
for Stage in adataBranch.obs["stage"].unique(): 
    StageLT = adataBranch.obs[adataBranch.obs["stage"] == Stage]
    
    StageLT_smoothed = pd.DataFrame(index=np.linspace(0, 1, 10000))
    for dataset in StageLT["dataset"].unique():
        datasetLT = StageLT.loc[StageLT["dataset"] == dataset,timeCov]
        _bandwidth = round((datasetLT.max() - datasetLT.min()) * binWidthRate, 2)
        KernelData = datasetLT

        
        X = KernelData.values[:, np.newaxis]
        X_plot = np.linspace(0, 1, 10000)[:, np.newaxis]

        # Pick bandwidht
        kde_Calc = KernelDensity(kernel="gaussian", bandwidth=_bandwidth).fit(X)
        Y=np.exp(kde_Calc.score_samples(X_plot))
        
        StageLT_smoothed[dataset] = Y
        
    StageLT_smoothed["dpt_cut"] = StageLT_smoothed.index.tolist()
        
    # Calculate error and mean on smoothe values ()

    StageLT_smoothed["mean"] = StageLT_smoothed[[i for i in StageLT_smoothed.columns if i not in ['dpt_cut','stdev']]].mean(axis =1)
    StageLT_smoothed["stdev"] = StageLT_smoothed[[i for i in StageLT_smoothed.columns if i not in ['dpt_cut','stdev']]].std(axis =1)
    StageLT_smoothed["errMin"] = StageLT_smoothed["mean"] - StageLT_smoothed["stdev"]
    StageLT_smoothed["errMax"] = StageLT_smoothed["mean"] + StageLT_smoothed["stdev"]
    StageLT_smoothed["errMin"] = np.where(StageLT_smoothed["errMin"] < 0, 0, StageLT_smoothed["errMin"])
    
    plt.plot(StageLT_smoothed["dpt_cut"], StageLT_smoothed["mean"], '-', label =Stage,linewidth = 3,color = dict(zip(adataBranch.obs[cov].cat.categories.tolist(),adataBranch.uns["stage_colors"]))[Stage])
    plt.fill_between(StageLT_smoothed["dpt_cut"], StageLT_smoothed["errMin"], StageLT_smoothed["errMax"] , alpha=0.2,color = dict(zip(adataBranch.obs[cov].cat.categories.tolist(),adataBranch.uns["stage_colors"]))[Stage])
    plt.xlabel('pseudotime', size=30)
    plt.xticks(size=30)
    plt.yticks(size=30)

    plt.ylabel('Cells density', size=30)
    plt.legend(prop={'size': 30})
    plt.savefig(figDir+"/8_LineageFigures.dpt."+branchTag+".svg")

By paradigm¶

In [23]:
cov = "type"
In [24]:
#with errors by dataset
for Stage in adataBranch.obs["type"].unique(): 
    StageLT = adataBranch.obs[adataBranch.obs["type"] == Stage]
    
    StageLT_smoothed = pd.DataFrame(index=np.linspace(0, 1, 10000))
    for dataset in StageLT["dataset"].unique():
        datasetLT = StageLT.loc[StageLT["dataset"] == dataset,timeCov]
        _bandwidth = round((datasetLT.max() - datasetLT.min()) * binWidthRate, 2)

        KernelData = datasetLT

        
        X = KernelData.values[:, np.newaxis]
        X_plot = np.linspace(0, 1, 10000)[:, np.newaxis]

        # Pick bandwidht
        kde_Calc = KernelDensity(kernel="gaussian", bandwidth=_bandwidth).fit(X)
        Y=np.exp(kde_Calc.score_samples(X_plot))
        
        StageLT_smoothed[dataset] = Y
        
    StageLT_smoothed["dpt_cut"] = StageLT_smoothed.index.tolist()
        
    # Calculate error and mean on smoothe values ()

    StageLT_smoothed["mean"] = StageLT_smoothed[[i for i in StageLT_smoothed.columns if i not in ['dpt_cut','stdev']]].mean(axis =1)
    StageLT_smoothed["stdev"] = StageLT_smoothed[[i for i in StageLT_smoothed.columns if i not in ['dpt_cut','stdev']]].std(axis =1)
    StageLT_smoothed["errMin"] = StageLT_smoothed["mean"] - StageLT_smoothed["stdev"]
    StageLT_smoothed["errMax"] = StageLT_smoothed["mean"] + StageLT_smoothed["stdev"]
    StageLT_smoothed["errMin"] = np.where(StageLT_smoothed["errMin"] < 0, 0, StageLT_smoothed["errMin"])
    
    plt.plot(StageLT_smoothed["dpt_cut"], StageLT_smoothed["mean"], '-', label =Stage,linewidth = 3,color = dict(zip(adataBranch.obs[cov].cat.categories.tolist(),adataBranch.uns["type_colors"]))[Stage])
    plt.fill_between(StageLT_smoothed["dpt_cut"], StageLT_smoothed["errMin"], StageLT_smoothed["errMax"] , alpha=0.2,color = dict(zip(adataBranch.obs[cov].cat.categories.tolist(),adataBranch.uns["type_colors"]))[Stage])

    plt.xlabel('pseudotime', size=30)
    plt.xticks(size=30)
    plt.yticks(size=30)

    plt.ylabel('Cells density', size=30)
    plt.legend(prop={'size': 30})
    plt.savefig(figDir+"/8_LineageFigures.Up_vs_Down.dpt."+branchTag+".svg")

Explore Genotypes¶

In [25]:
#######---original adata ------- Load Original adata and plot uncorrected PCA and original compositions

sc.settings.verbosity = 0 


adataInitPCA = adataBranch.copy()


compositions = pd.DataFrame(adataInitPCA.obs.groupby(["stage","cellID_newName"]).size())
compositions = compositions.reset_index().rename(columns={0:"number_of_cells"})
fig = px.bar(compositions, x="stage", y="number_of_cells", color="cellID_newName", 
             category_orders={"stage":["early","mid","late"]}, height=800,width=1000, template="plotly_white",
             color_discrete_map = dict(zip(adataInitPCA.obs["cellID_newName"].cat.categories, adataInitPCA.uns["cellID_newName_colors"])))

fig.update_traces(marker_line_color='rgb(8,48,107)',
                  marker_line_width=1.5, opacity=1)

fig.show()

Downsampling loops¶

In [26]:
ReproducibilityDF = pd.DataFrame() 
ReproducibilityRaw = pd.DataFrame() 


adataInitPCA = adataInitPCA[adataInitPCA.obs["stage"].isin(MultiTPTstages)]
#Remove genotypes not in all timepoints
GoodIDs = pd.crosstab(adataInitPCA.obs.cellID_newName,adataInitPCA.obs.stage ) > min_cells
GoodIDs = GoodIDs[GoodIDs.sum(axis =1) == len(adataInitPCA.obs["stage"].unique())].index.tolist()
adataInitPCA = adataInitPCA[adataInitPCA.obs.cellID_newName.isin(GoodIDs)]
    
compositions = pd.DataFrame(adataInitPCA.obs.groupby(["stage","cellID_newName"]).size())
compositions = compositions.reset_index().rename(columns={0:"number_of_cells"})
fig = px.bar(compositions, x="stage", y="number_of_cells", color="cellID_newName", title="Balance Before each loop",
             category_orders={"stage":["early","mid","late"]}, height=800,width=1000, template="plotly_white",
             color_discrete_map = dict(zip(adataInitPCA.obs["cellID_newName"].cat.categories, adataInitPCA.uns["cellID_newName_colors"])))

fig.update_traces(marker_line_color='rgb(8,48,107)',
                  marker_line_width=1.5, opacity=1)

fig.show()

    
for seed in range(ResamplingIterations):
    random.seed(seed)
    
    adataGenotypes = adataInitPCA.copy()


    #Subset timepoint if needed
    MinCells = pd.crosstab(adataGenotypes.obs.cellID_newName,adataGenotypes.obs.stage ) 
    MinCells = MinCells.min().to_dict()

    sampledBCs = []
    for stage in adataGenotypes.obs.stage.unique():
        samplingSize = MinCells[stage]
        sampledBCsStage = [ random.sample(adataGenotypes[(adataGenotypes.obs["stage"] == stage) & (adataGenotypes.obs["cellID_newName"] == ID)].obs_names.tolist() ,samplingSize) for ID in adataGenotypes.obs["cellID_newName"].unique().tolist()  ]
        sampledBCsStage = [item for sublist in sampledBCsStage for item in sublist]
        sampledBCs = sampledBCs + sampledBCsStage

    adataGenotypes = adataGenotypes[sampledBCs]
    
    #Trim extreme values
#     trimExtremes = [0.01,.99]
#     minDPT, maxDPT = np.quantile(adataGenotypes.obs["pc1"], trimExtremes)
#     adataGenotypes = adataGenotypes[(adataGenotypes.obs["pc1"] > minDPT) & (adataGenotypes.obs["pc1"] < maxDPT)]
    
    _bandwidth = round((adataGenotypes.obs["dpt_pseudotime"].max() - adataGenotypes.obs["dpt_pseudotime"].min()) * binWidthRate, 2)
    seedPseudotime = pd.DataFrame()
    seedPseudotimeRaw = pd.DataFrame()

    for cellID in adataGenotypes.obs["cellID_newName"].unique(): 
        LocalPseudotime = pd.DataFrame()
        LocalPseudotimeRaw = pd.DataFrame()
        KernelData = adataGenotypes.obs.loc[adataBranch.obs["cellID_newName"] == cellID, "dpt_pseudotime"]
        X = KernelData.values[:, np.newaxis]
        X_plot = np.linspace(adataGenotypes.obs["dpt_pseudotime"].min(), adataGenotypes.obs["dpt_pseudotime"].max(), 10000)[:, np.newaxis]
        # Pick bandwidht
        kde_Calc = KernelDensity(kernel="gaussian", bandwidth=_bandwidth).fit(X)
        Y=np.exp(kde_Calc.score_samples(X_plot))
        LocalPseudotime[seed] = Y
        LocalPseudotime["cellID"] = cellID
        LocalPseudotime["x"] = X_plot.flatten()
        seedPseudotime = pd.concat([seedPseudotime,LocalPseudotime ], ignore_index=True, axis = 0)
        #Raw values non smoothed
        LocalPseudotimeRaw[seed] = KernelData.tolist()
        LocalPseudotimeRaw["cellID"] = cellID
        seedPseudotimeRaw = pd.concat([seedPseudotimeRaw,LocalPseudotimeRaw], ignore_index=True)
    if "cellID" in ReproducibilityDF.columns:
        ReproducibilityDF = pd.concat([seedPseudotime[seed], ReproducibilityDF], axis = 1)
        ReproducibilityRaw = pd.concat([seedPseudotimeRaw[seed], ReproducibilityRaw], axis = 1)
    else:
        ReproducibilityDF = pd.concat([ReproducibilityDF, seedPseudotime], axis =1 )
        ReproducibilityRaw = pd.concat([ReproducibilityRaw, seedPseudotimeRaw], axis =1 )
 
        
        
compositions = pd.DataFrame(adataGenotypes.obs.groupby(["stage","cellID_newName"]).size())
compositions = compositions.reset_index().rename(columns={0:"number_of_cells"})
fig = px.bar(compositions, x="stage", y="number_of_cells", color="cellID_newName", title="Balance Operated whithin each loop",
             category_orders={"stage":["early","mid","late"]}, height=800,width=1000, template="plotly_white",
             color_discrete_map = dict(zip(adataGenotypes.obs["cellID_newName"].cat.categories, adataGenotypes.uns["cellID_newName_colors"])))

fig.update_traces(marker_line_color='rgb(8,48,107)',
                  marker_line_width=1.5, opacity=1)

fig.show()
In [28]:
plotDF = ReproducibilityDF.copy()

plotDF["std"] = plotDF[[c for c in plotDF.columns if c not in ["x","cellID","std","mean",'max','min']]].std(axis =1)

plotDF["mean"] = plotDF[[c for c in plotDF.columns if c not in ["x","cellID","std","mean",'max','min']]].mean(axis =1)
plotDF["max"] = plotDF["mean"]+plotDF["std"]
plotDF["min"] = plotDF["mean"]-plotDF["std"]

for g in plotDF.cellID.unique():
    plotDFID = plotDF[plotDF.cellID == g]
    plt.plot(plotDFID["x"], plotDFID["mean"], '-',
             label =g,
             color = dict(zip(adataGenotypes.obs["cellID_newName"].cat.categories.tolist(),adataGenotypes.uns["cellID_newName_colors"]))[g],
             linewidth = 3)
    plt.fill_between(plotDFID["x"], plotDFID["min"], plotDFID["max"] , 
                     alpha=0.2,label=g,
                     color = dict(zip(adataGenotypes.obs["cellID_newName"].cat.categories.tolist(),adataGenotypes.uns["cellID_newName_colors"]))[g])

    plt.xlabel('pseudotime', size=30)
    plt.xticks(size=30)
    plt.yticks(size=30)
    plt.legend(prop={'size': 30})
    plt.savefig(figDir+"/8_LineageFigures.Genotypes."+branchTag+".svg")

Tradeseq within lineage¶

In [28]:
plt.rcParams.update(plt.rcParamsDefault)
with open("../data/resources/rcParams.yaml") as f:
    rcParamsDict = yaml.full_load(f)
    for k in rcParamsDict["rcParams"]:
        print("{} {}".format(k,rcParamsDict["rcParams"][k]))
        plt.rcParams[k] = rcParamsDict["rcParams"][k]
    for k1 in set(list(rcParamsDict)).difference(set(["rcParams"])):
        print("{} {}".format(k1,rcParamsDict[k1]))

figure.dpi 80
savefig.dpi 500
figure.figsize [10, 10]
axes.facecolor white
dotSize 20
In [29]:
obs = adataBranch.obs
obsm = adataBranch.obsm


adataTradeseq = sc.read_h5ad(outdir+'/adatas/MultiplexingPreprocessing_unscaled.h5ad')[obs.index]
#Sample extra genes to ensure fair unbyased normalization
ExtraNormGenes = random.sample(adataTradeseq.var_names[~adataTradeseq.var_names.isin(HVGs)].tolist(), len(HVGs.tolist()))
adataTradeseq = adataTradeseq[:,HVGs.tolist()+ExtraNormGenes]

adataTradeseq.obs = obs.loc[adataTradeseq.obs_names]
adataTradeseq = adataTradeseq[:,~adataTradeseq.var_names.str.startswith('MT-')]
adataTradeseq = adataTradeseq[:,~adataTradeseq.var_names.str.startswith(("RPS","RPL"))]
adataTradeseq.obsm = obsm
adataTradeseq.uns["leidenAnnotated_colors"] =  adataBranch[adataTradeseq.obs_names].uns["leidenAnnotated_colors"]


#Trim extreme values of DPT (for potentially low amount of cells)
trimExtremes = [0.01,.99]
minDPT, maxDPT = np.quantile(adataTradeseq.obs["dpt_pseudotime"], trimExtremes)
adataTradeseq = adataTradeseq[(adataTradeseq.obs["dpt_pseudotime"] > minDPT) & (adataTradeseq.obs["dpt_pseudotime"] < maxDPT)]
In [30]:
sc.pl.diffmap(adataTradeseq, color = ["dpt_pseudotime","leidenAnnotated"],
           size = rcParamsDict["dotSize"],add_outline=True, outline_width=(0.2, 0.05), vmin='p2',vmax='p98', frameon=False, wspace=.3, legend_loc="on data")
In [31]:
adataTradeseq.obs[endpoint] = 1
In [32]:
cellWeights = adataTradeseq.obs[endpoint]
cellWeights = np.matrix(cellWeights.to_numpy()).T


pseudotime = adataTradeseq.obs["dpt_pseudotime"]
pseudotime = np.matrix(pseudotime.to_numpy()).T



# Transpose needed!
counts = adataTradeseq.X.T.todense()
counts = counts + abs(counts.min())

varnames = adataTradeseq.var_names.tolist()
In [33]:
import anndata2ri
import rpy2
anndata2ri.activate()
%load_ext rpy2.ipython

The rpy2.ipython extension is already loaded. To reload it, use:
  %reload_ext rpy2.ipython
In [34]:
%%R -i tradeSeqUtilsPath

source(tradeSeqUtilsPath)
In [35]:
%%R -i cellWeights -i pseudotime -i counts -i varnames
set.seed(8)

library(tradeSeq)
library(ggplot2)


w <- as.matrix(cellWeights)
dpt <- as.matrix(pseudotime)
cMatrix <- as.matrix(counts)


gamObj <- fitGAM(cMatrix, verbose = TRUE, pseudotime = dpt, cellWeights = w, nknots = 8, sce=FALSE)
names(gamObj) <- varnames

  |++++++++++++++++++++++++++++++++++++++++++++++++++| 100% elapsed=35m 19s
In [36]:
%%R

source(tradeSeqUtilsPath)
In [37]:
dptseq = np.linspace(pseudotime.min(),pseudotime.max(), 5)
nGenes = 2

leidenCols = dict(zip(adataTradeseq.obs.leidenAnnotated.cat.categories, adataTradeseq.uns["leidenAnnotated_colors"]))
In [38]:
%%R -i nGenes -o merged  -o startResSS -o assoRes


startRes <- startVsEndTest(gamObj)
startResSS <- startRes[startRes$pvalue == 0,]
startResGenesPositive <- rownames(head(startResSS[order(startResSS$logFClineage1, decreasing = TRUE),],nGenes))
print(startResGenesPositive)
startResGenesNegatives <- rownames(tail(startResSS[order(startResSS$logFClineage1, decreasing = TRUE),],nGenes))
print(startResGenesNegatives)


assoRes <- associationTest(gamObj)
merged <- merge(startRes, assoRes, by=0, all=FALSE)

[1] "ZPLD1" "LHX1" 
[1] "CENPF" "CDC20"
In [39]:
merged["rankstartRes"] = abs(merged["logFClineage1"]).rank()
merged["rankassoRes"] = abs(merged["meanLogFC"]).rank()
merged["rankedDiff"] = merged["rankassoRes"] - merged["rankstartRes"]
#merged = merged[abs(merged["meanLogFC"]) > 2]
merged = merged.sort_values("rankedDiff", ascending = False)
merged["FinalRank"] =  range(merged.shape[0])
merged.index = merged["Row.names"].tolist()
Transient = merged.head(nGenes).index.tolist()
Transient
Out[39]:
['NHLH1', 'PPP1R1C']
In [40]:
%%R -i Transient -o assoResSSPandas

CombinedList <- c(startResGenesPositive,startResGenesNegatives,Transient)
datalist <- list()

for (g in CombinedList){
    
    localModel <- gamObj[[g]]    
    data <- localModel$model    
    y <- data$y
    nCurves <- length(localModel$smooth)

    for (jj in seq_len(nCurves)) {
        df <- .getPredictRangeDf(localModel$model, jj, nPoints = 100)
        yhat <- predict(localModel, newdata = df, type = "response")

        Newframe <- data.frame("fittedCounts" = yhat)
        colnames(Newframe) <- c(paste0("fittedCounts.",g))

        datalist[[paste(g,jj)]] <- Newframe

        
        

    }

}

assoResSSPandas =  do.call(cbind, datalist)
In [41]:
#Curatedmarkerslist = CuratedmarkersDF.loc[CuratedmarkersDF.score > 1,"name"].tolist()
#CuratedmarkersDF = pd.read_csv(markers, header=None, sep = "\t", names=["name","area","score"])
#Curatedmarkerslist = CuratedmarkersDF.loc[CuratedmarkersDF.score >= 1,"name"].tolist()

##############################


###################à
plt.rcdefaults()

sns.set_style("ticks", {'axes.grid' : False})


fig, axes = plt.subplots(2,1, figsize=(12,5),sharex=True, 
                         gridspec_kw={'height_ratios': [1, 3]})

sns.boxplot(data=adataTradeseq.obs, x="dpt_pseudotime", y="leidenAnnotated", ax = axes[0],
            palette=leidenCols,
            showfliers=False,order=leidenOrder)

    

    
    


#fig, axes = plt.subplots(2,1, figsize=(10,5),sharex=True, 
#                         gridspec_kw={'height_ratios': [1, 2]})

#sns.histplot(data=adataTradeseq.obs, x="dpt_pseudotime", hue="leidenAnnotated", ax=axes[0])

# sns.histplot(data=adataTradeseq.obs, x="dpt_pseudotime", hue="leidenAnnotated", ax=axes[0],bins=100,
#               palette=dict(zip(adata.obs.leidenAnnotated.cat.categories, adata.uns["leidenAnnotated_colors"])), alpha=.5)




SmoothedExpr = assoResSSPandas.copy()
SmoothedExpr["pseudotime"] = SmoothedExpr.index.tolist()      
SmoothedExpr["pseudotime"] =  np.linspace(pseudotime.min(),pseudotime.max(), 100)
SmoothedExpr = SmoothedExpr.melt("pseudotime")
SmoothedExpr["value"] = np.log(SmoothedExpr["value"])


#TrimExtremes


sns.lineplot(data=SmoothedExpr, x="pseudotime", y="value", hue= "variable",  linewidth=3, ax=axes[1])
#axes[1].lines[1].set_linestyle("--")





dptAxis = np.linspace(SmoothedExpr.pseudotime.min(), SmoothedExpr.pseudotime.max(), 10).round(2)      
ylimits = np.array([SmoothedExpr.value.min()-abs((SmoothedExpr.value.min()*.1)), SmoothedExpr.value.max()+abs((SmoothedExpr.value.max()*.1))]).round(2)
exprAxis = np.linspace(ylimits.min(), ylimits.max(),5).round(2)


axes[1].set_xlim([dptAxis.min(), dptAxis.max()])
axes[1].set_ylim(ylimits)


axes[0].yaxis.tick_right()
axes[0].spines[['left', 'top','bottom']].set_visible(False)
axes[0].spines['right'].set_linewidth(1.5)
axes[0].tick_params(axis='y', which='major', labelsize=15, width=1.5, length=10)
axes[0].tick_params(axis='x', which='major', labelsize=15, width=0, length=10)


axes[1].set_xticks(dptAxis)
axes[1].set_yticks(exprAxis)

axes[1].spines['left'].set_linewidth(1.5)
axes[1].spines['bottom'].set_linewidth(1.5)
axes[1].tick_params(axis='both', which='major', labelsize=15, width=1.5, length=10)
axes[1].spines[['right', 'top']].set_visible(False)
axes[1].xaxis.tick_bottom()
axes[1].yaxis.tick_left()
axes[1].legend(title='Gene', bbox_to_anchor=(1, .7))


sns.despine(ax=axes[1], top=True, right=True, left=False, bottom=False, offset=10, trim=False)
sns.despine(ax=axes[0], top=True, right=False, left=False, bottom=True, offset=10, trim=False)
axes[0].yaxis.set_label_position("right")
axes[0].spines[['left', 'top','bottom']].set_visible(False)

axes[1].set(xlabel='dpt pseudotime', ylabel='Log smoothed expression')



fig.show()
        


fig.savefig(figDir+'/TopGenes.'+branchTag+'.pdf',bbox_inches='tight')

Import VCF and Map snps to genes¶

In [42]:
lineage1 = ["CTL08A","CTL04E"]
lineage2 = ["CTL02A","CTL01"]
In [43]:
def get_vcf_names(vcf_path):
    with open(vcf_path, "rt") as ifile:
          for line in ifile:
            if line.startswith("#CHROM"):
                  vcf_names = [x for x in line.split('\t')]
                  break
    ifile.close()
    return vcf_names

names = [i.replace("#","").replace('\n','') for i in get_vcf_names(vcfPath)] 
mappings = {k: v for d in [{k:iPSC_lines_map[k]["newName"]} for k in list(iPSC_lines_map.keys())] for k, v in d.items()}


vcf = pd.read_csv(vcfPath, sep="\t", skip_blank_lines=True,comment='#', names=names).rename(columns = mappings)
vcf = vcf[~vcf[adataBranch.obs.cellID_newName.unique().tolist()].apply(lambda r: r.str.contains('./.',regex=False).any(), axis=1)]

MappedVars = vcf.copy()
MappedVars["Chromosome"] = "chr"+vcf["CHROM"].astype(str)
MappedVars["End"] = MappedVars["POS"]
MappedVars["Start"] = MappedVars["POS"]
MappedVars = MappedVars[["Chromosome","Start","End","CHROM"]]
MappedVars = pr.PyRanges(MappedVars)
MappedVars

#Prepare gtf for overlap, we exclude non genes features and keep only coding genes
gtf = pd.read_csv(gtfPath, sep="\t", comment='#', header=None)
gtf = gtf[gtf[2] == "gene"]
gtf['GENE'] = gtf[8].str.extract(r'gene_name "(.+?)";')
gtf['GENEtype'] = gtf[8].str.extract(r'gene_type "(.+?)";')
gtf = gtf[gtf['GENEtype'] == "protein_coding"]
gtf = gtf[[0,3,4,"GENE"]]
gtf.columns = ["Chromosome","Start","End","SYMBOL"]
gtf = pr.PyRanges(gtf)
gtf

MappedVars = MappedVars.join(gtf).df.drop_duplicates(subset=["Chromosome","Start","End"]).drop(columns=["Start_b","End_b"])
MappedVars.index = MappedVars["CHROM"].astype(str)+"_"+MappedVars["Start"].astype(str)
MappedVars["indexer"] = MappedVars.index.tolist()

vcf.index  = vcf["CHROM"].astype(str)+"_"+vcf["POS"].astype(str)
MappedVars["REF"] = vcf.loc[MappedVars.index,"REF"]
MappedVars["ALT"] = vcf.loc[MappedVars.index,"ALT"]
In [44]:
# Now we start  refining DF to spot different allelic landscape
LineagesAlleles = vcf[adataBranch.obs.cellID_newName.unique().tolist()]
LineagesAlleles = LineagesAlleles.apply(lambda col: col.str.split(":", expand=True)[0], axis = 0)

L1DF = LineagesAlleles[lineage1].apply(lambda row: set(row.tolist()), axis = 1)
L1DF = L1DF[L1DF.apply(lambda row: len(row)) == 1].to_frame(name = "_".join(lineage1)+"(L1).alleles")
L1DF["_".join(lineage1)+"(L1).alleles"] = L1DF.apply(lambda row: "".join(list(row[0])), axis = 1)


L2DF = LineagesAlleles[lineage2].apply(lambda row: set(row.tolist()), axis = 1)
L2DF = L2DF[L2DF.apply(lambda row: len(row)) == 1].to_frame(name = "_".join(lineage2)+"(L2).alleles")
L2DF["_".join(lineage2)+"(L2).alleles"] = L2DF.apply(lambda row: "".join(list(row[0])), axis = 1)

LineagesAlleles = pd.concat([L1DF,L2DF], axis = 1).dropna()
LineagesAlleles = LineagesAlleles[LineagesAlleles["_".join(lineage1)+"(L1).alleles"] != LineagesAlleles["_".join(lineage2)+"(L2).alleles"]]

LineagesAlleles

LineagesAlleles = LineagesAlleles.join(MappedVars, how="left")
LineagesAlleles["REF"] = vcf.loc[LineagesAlleles.index.tolist(),'REF']
LineagesAlleles["ALT"] = vcf.loc[LineagesAlleles.index.tolist(),'ALT']
LineagesAlleles
Out[44]:
CTL08A_CTL04E(L1).alleles CTL02A_CTL01(L2).alleles Chromosome Start End CHROM SYMBOL indexer REF ALT
1_1728604 0/1 0/0 chr1 1728604.0 1728604.0 1 SLC35E2A 1_1728604 T A
1_6469383 0/0 0/1 chr1 6469383.0 6469383.0 1 PLEKHG5 1_6469383 A G
1_6623180 0/0 0/1 chr1 6623180.0 6623180.0 1 PHF13 1_6623180 G A
1_6635271 0/0 0/1 chr1 6635271.0 6635271.0 1 THAP3 1_6635271 G T
1_11519447 0/1 0/0 chr1 11519447.0 11519447.0 1 DISP3 1_11519447 G C
... ... ... ... ... ... ... ... ... ... ...
X_149482521 0/1 0/0 chrX 149482521.0 149482521.0 X IDS X_149482521 TA TAA,T
X_154473373 1/1 0/0 chrX 154473373.0 154473373.0 X PLXNA3 X_154473373 G A
X_154477925 0/0 1/1 chrX 154477925.0 154477925.0 X LAGE3 X_154477925 C G
X_154484549 1/1 0/0 chrX 154484549.0 154484549.0 X UBL4A X_154484549 T C
X_154506456 1/1 0/0 chrX 154506456.0 154506456.0 X FAM3A X_154506456 A T

1035 rows × 10 columns

Port jerber's eQTL data to hg38¶

In [45]:
def liftOverDF(inDF, chrKey,posKey,indexerKey, oldref="hg19", newref="hg38"):

    lo = LiftOver(oldref, newref)
    


    Liftedvariants = []
    
    __inDF = inDF.copy()
    __inDF[chrKey] = __inDF[chrKey].astype(str)
    
    
    if not __inDF[chrKey].head(1).tolist()[0].startswith("chr"):
        chrRoot = False
        __inDF[chrKey] = "chr"+__inDF[chrKey].astype(str)
    else:
        chrRoot = True
    

    for row in __inDF.index.tolist():

        pos = __inDF.loc[row]
        
        
        posLiftedStart = lo.convert_coordinate(str(pos[chrKey]), pos[posKey])

        if len(posLiftedStart) == 1:

            Liftedvariants.append([posLiftedStart[0][0], posLiftedStart[0][1],  row])
            
    LiftedEnhancers = pd.DataFrame(Liftedvariants, columns=["lifted_"+chrKey,"lifted_"+posKey,"indexRow"])
    LiftedEnhancers.index = LiftedEnhancers["indexRow"]
    
    outDF = pd.merge(__inDF,LiftedEnhancers, how="inner", left_index=True, right_index=True)
    outDF["old_"+chrKey] = outDF[chrKey].astype(str).str.split("chr", expand = True)[1] if not chrRoot else outDF[chrKey]
    outDF["old_"+posKey] = outDF[posKey]
    
    
    outDF[chrKey] = outDF["lifted_"+chrKey].astype(str).str.split("chr", expand = True)[1] if not chrRoot else outDF["lifted_"+chrKey].astype(str)
    outDF[posKey] = outDF["lifted_"+posKey]
    outDF["old_"+indexerKey] = outDF[indexerKey].str.split("chr", expand = True)

    outDF[indexerKey] = outDF[chrKey]+"_"+outDF["lifted_"+posKey].astype(str)
    
    outDF.drop(columns=["lifted_"+chrKey,"lifted_"+posKey], inplace=True)


    return(outDF)
In [46]:
scEqtlsJerber["indexer"] = scEqtlsJerber["snp_chromosome"].astype(str)+"_"+scEqtlsJerber["snp_position"].astype(str)

scEqtlsJerberLifted = liftOverDF(scEqtlsJerber, chrKey="snp_chromosome",posKey="snp_position",indexerKey="indexer", oldref="hg19", newref="hg38")
In [47]:
mergedDFjERBER = scEqtlsJerberLifted[["snp_id","indexer", "assessed_allele", "hgnc_symbol","beta" ]].merge(LineagesAlleles, on="indexer")
In [48]:
mergedDFjERBER
Out[48]:
snp_id indexer assessed_allele hgnc_symbol beta CTL08A_CTL04E(L1).alleles CTL02A_CTL01(L2).alleles Chromosome Start End CHROM SYMBOL REF ALT
0 17_36689228_T_C 17_38532993 C SRCIN1 0.362000 0/0 0/1 chr17 38532993.0 38532993.0 17 SRCIN1 T C
1 17_36689228_T_C 17_38532993 C SRCIN1 0.600568 0/0 0/1 chr17 38532993.0 38532993.0 17 SRCIN1 T C
2 17_36689220_A_G 17_38532985 G SRCIN1 0.788592 0/0 0/1 chr17 38532985.0 38532985.0 17 SRCIN1 A G
3 17_44833217_C_A 17_46755851 A NSF 0.168382 0/1 0/0 chr17 46755851.0 46755851.0 17 NSF C A
4 16_1819433_G_A 16_1769432 A MRPS34 0.229730 0/0 0/1 chr16 1769432.0 1769432.0 16 MAPK8IP3 G A
5 16_1819433_G_A 16_1769432 A MRPS34 0.297822 0/0 0/1 chr16 1769432.0 1769432.0 16 MAPK8IP3 G A
6 20_7962128_C_T 20_7981481 T TMX4 0.576073 0/0 0/1 chr20 7981481.0 7981481.0 20 TMX4 C T
7 7_6502367_T_C 7_6462736 C KDELR2 -0.287541 0/0 0/1 chr7 6462736.0 6462736.0 7 DAGLB T C
8 7_6502367_T_C 7_6462736 C KDELR2 -0.470769 0/0 0/1 chr7 6462736.0 6462736.0 7 DAGLB T C
9 7_6502367_T_C 7_6462736 C KDELR2 -0.410403 0/0 0/1 chr7 6462736.0 6462736.0 7 DAGLB T C
10 7_6502367_T_C 7_6462736 C KDELR2 -0.397031 0/0 0/1 chr7 6462736.0 6462736.0 7 DAGLB T C
11 6_114183884_A_G 6_113862707 G MARCKS -0.088814 0/1 0/0 chr6 113862707.0 113862707.0 6 MARCKS A G
12 3_120114914_G_A 3_120396067 A FSTL1 0.251080 0/1 1/1 chr3 120396067.0 120396067.0 3 FSTL1 G A
13 7_128142023_A_T 7_128501969 T METTL2B -0.243685 0/0 0/1 chr7 128501969.0 128501969.0 7 METTL2B A T
14 3_49052785_T_A 3_49015352 A ARIH2 0.228237 0/1 0/0 chr3 49015352.0 49015352.0 3 WDR6 T A
15 8_144662353_G_A 8_143580183 A MROH6 -0.311070 1/1 0/1 chr8 143580183.0 143580183.0 8 EEF1D G A
In [49]:
# Check among sceqtl genes the ones relevant (HVGs) for the isolated branch
In [50]:
set(mergedDFjERBER.hgnc_symbol).intersection(set(TopLoadings.index.tolist()))
Out[50]:
{'SRCIN1'}

Check variance for SRCIN1¶

In [51]:
TopLoadings["rank"] = TopLoadings["loading"].rank()
TopLoadings["Zero"] = 0
In [52]:
#if you want vector sc.settings._vector_friendly = False
sns.set_style("ticks")
vector=True
n=20
pdDict = {}
pylab.rcParams['figure.figsize'] = (10, 10)

if vector:
    sc.settings._vector_friendly = False
for pc in  [0,1]:
    TopPC_IDX = np.argpartition(adataBranch.varm["PCs"][:,pc], -n)[-n:]
    DownPC_IDX = np.argpartition(adataBranch.varm["PCs"][:,pc], n)[:n]
    pdDict[pc] = pd.DataFrame(adataBranch.varm["PCs"][:,pc][TopPC_IDX], index = adataBranch.var_names[TopPC_IDX], columns=["pc"+str(pc+1)])
    pdDict[pc] = pd.concat([pdDict[pc],pd.DataFrame(adataBranch.varm["PCs"][:,pc][DownPC_IDX], index = adataBranch.var_names[DownPC_IDX], columns=["pc"+str(pc+1)])])
    pdDict[pc]["gene"] = pdDict[pc].index.tolist()
    if pc == 0:
        pdDict[pc] = pdDict[pc].sort_values("pc"+str(pc+1))
    elif pc == 1:
        pdDict[pc] = pdDict[pc].sort_values("pc"+str(pc+1), ascending = False)
    
    
    

figsize = (6, 6)  #(width, height)
#Set axes
import matplotlib.pyplot as plt

fig, ax = plt.subplots(nrows=2, ncols=1, figsize=figsize,gridspec_kw={'height_ratios': [3, 1]})

fig.tight_layout(pad=-2, h_pad=0)   #space between plots

ax1plot = sc.pl.pca(adataBranch, components=['1,2'], color=["leidenAnnotated"], 
                    ncols=1, add_outline=True, legend_loc="on data",size=100,legend_fontsize="small",
                    outline_width=(.1,.05), wspace=.2, show=False, ax=ax[0])



colors = [plt.cm.RdYlGn(norm(c)) for c in TopLoadings["loading"]]
sns.scatterplot(data=TopLoadings, x="rank", y="loading", linewidth=0, hue = "rank",palette=colors, size=.1, ax=ax[1], alpha=1)

for i in ["SRCIN1","TOP2A","LHX1"]:
    offsety =  -.05 if TopLoadings.loc[i,"loading"] > 0 else .05
    offsetx =  -100 if TopLoadings.loc[i,"loading"] > 0 else 100
    ax[1].annotate(i, 
                xy=(TopLoadings.loc[i,"rank"],TopLoadings.loc[i,"loading"]),
                xytext=(TopLoadings.loc[i,"rank"] + offsetx, offsety),
    xycoords='data',
    arrowprops=dict(arrowstyle="simple",facecolor="black",))

ax[1].get_legend().remove()




sc.settings._vector_friendly = True
pylab.rcParams['figure.figsize'] = (4, 4)
In [53]:
fig.savefig(figDir+"/SRCINlloadings.PCA.pdf",
           bbox_inches="tight")

genomic plot¶

In [54]:
mergedDFjERBER.drop_duplicates("indexer")
Out[54]:
snp_id indexer assessed_allele hgnc_symbol beta CTL08A_CTL04E(L1).alleles CTL02A_CTL01(L2).alleles Chromosome Start End CHROM SYMBOL REF ALT
0 17_36689228_T_C 17_38532993 C SRCIN1 0.362000 0/0 0/1 chr17 38532993.0 38532993.0 17 SRCIN1 T C
2 17_36689220_A_G 17_38532985 G SRCIN1 0.788592 0/0 0/1 chr17 38532985.0 38532985.0 17 SRCIN1 A G
3 17_44833217_C_A 17_46755851 A NSF 0.168382 0/1 0/0 chr17 46755851.0 46755851.0 17 NSF C A
4 16_1819433_G_A 16_1769432 A MRPS34 0.229730 0/0 0/1 chr16 1769432.0 1769432.0 16 MAPK8IP3 G A
6 20_7962128_C_T 20_7981481 T TMX4 0.576073 0/0 0/1 chr20 7981481.0 7981481.0 20 TMX4 C T
7 7_6502367_T_C 7_6462736 C KDELR2 -0.287541 0/0 0/1 chr7 6462736.0 6462736.0 7 DAGLB T C
11 6_114183884_A_G 6_113862707 G MARCKS -0.088814 0/1 0/0 chr6 113862707.0 113862707.0 6 MARCKS A G
12 3_120114914_G_A 3_120396067 A FSTL1 0.251080 0/1 1/1 chr3 120396067.0 120396067.0 3 FSTL1 G A
13 7_128142023_A_T 7_128501969 T METTL2B -0.243685 0/0 0/1 chr7 128501969.0 128501969.0 7 METTL2B A T
14 3_49052785_T_A 3_49015352 A ARIH2 0.228237 0/1 0/0 chr3 49015352.0 49015352.0 3 WDR6 T A
15 8_144662353_G_A 8_143580183 A MROH6 -0.311070 1/1 0/1 chr8 143580183.0 143580183.0 8 EEF1D G A
In [55]:
fig, ax = plt.subplots(nrows=1, ncols= len(mergedDFjERBER.CHROM.unique()), 
                       figsize= (5,2),gridspec_kw={'width_ratios': mergedDFjERBER.drop_duplicates("indexer").groupby("CHROM").size()[mergedDFjERBER.CHROM.unique()].tolist()},
                       sharex=False, sharey=True)

fig.tight_layout(h_pad=30000)

for chrom in zip(mergedDFjERBER.CHROM.unique(),ax ):
    chromMerged = mergedDFjERBER.loc[mergedDFjERBER.CHROM == chrom[0], ["Chromosome","Start", "CTL08A_CTL04E(L1).alleles","CTL02A_CTL01(L2).alleles","indexer"]]
    chromMerged = chromMerged.drop_duplicates("indexer")
    chromMerged = chromMerged.drop(columns="indexer")
    chromMerged = chromMerged.melt(["Start","Chromosome"])
    chromMerged["RankedPosition"] = chromMerged["Start"].rank()
    chromMerged = chromMerged.sort_values("RankedPosition")
    
    chromMerged = pd.concat([chromMerged.assign(Symbol=8).assign(genotype=chromMerged.variable.str.split("_", expand=True)[0]),chromMerged.assign(Symbol=9).assign(genotype=chromMerged.variable.str.split("_", expand=True)[1].str.split("(", expand=True)[0])], axis = 0, ignore_index=True)
    

    

    chromMerged["value"] = chromMerged.value.astype("category")
    sns.scatterplot(data=chromMerged, x = "RankedPosition" , y = "value", hue="genotype",
                    ax=chrom[1], s=80,linewidth=0,edgecolor="black", palette=cellIDColorsMap, 
                    style="Symbol", markers=dict(zip(chromMerged.Symbol, chromMerged.Symbol)))
    chrom[1].get_legend().remove()
    chrom[1].set_xticks(chromMerged["RankedPosition"].unique().tolist())
    
    
    
    chrom[1].set_xticklabels(["chr"+str(chrom[0])+":"+ str(Start) for Start in chromMerged["Start"].astype(int).unique().tolist()],rotation=45, fontsize=7)
    chrom[1].tick_params(left=False)
    chrom[1].spines[['left', 'top','right']].set_visible(False)
    chrom[1].set_xlim([chromMerged["RankedPosition"].min(), chromMerged["RankedPosition"].max()])
    chrom[1].set_xlabel(xlabel="Position \n (Chrom_"+str(chrom[0])+")", fontsize = 6)
    chrom[1].set_ylabel(ylabel="Genotype", fontsize = 6)


fig.savefig(figDir+'/DifferentAlleles.pdf',bbox_inches='tight')
In [ ]: